Year	current US$
1980	4099999.90463257
1981	6780000.20980835
1982	3259999.99046326
1983	1720000.02861023
1984	1850000.02384186
1985	1700000.04768372
1986	1059999.9427795399
1987	1059999.9427795399
1988	2599999.90463257
1989	5719999.79019165
1990	7230000.01907349
1991	10039999.961853001
1992	7260000.228881841
1993	6030000.20980835
1994	2960000.03814697
1995	9600000.38146973
1996	12760000.2288818
1997	5150000.09536743
1998	2920000.07629395
1999	1559999.9427795399
2000	7579999.92370605
2001	6519999.98092651
2002	5480000.01907349
2003	4650000.09536743
2004	6179999.82833862
2005	7630000.11444092
2006	5389999.8664856
2007	8979999.54223633
2008	17440000.5340576
2009	14569999.6948242
2010	1769999.98092651
2011	600000.023841858
2012	-140000.000596046
2013	2579999.92370605
2014	7289999.96185303
2015	8260000.22888184
2016	11829999.923706101
2017	51389999.3896484
2018	59700000.762939505
2019	13949999.8092651
2020	77660003.6621094
2021	67110000.6103516
2022	36750000